---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491142 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.94 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 652 10331 4 5004 14994 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:67:57:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fe67:576e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:44:2f:02:ec:2f brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491142) 03/16/26 _x86_64_ (4 CPU) 10:07:00 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:23 8.83 1.68 6.77 0.38 460.16 1893.63 349.13 10:30:19 4.79 0.36 4.21 0.21 11.17 649.09 612.51 Average: 6.85 1.03 5.52 0.30 240.60 1285.04 477.93 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:23 8850028 12032056 3930468 24.01 114788 3230004 4069328 23.36 626608 6555976 1656 10:30:19 9488576 13186860 2772972 16.94 129096 3700608 2893472 16.61 691244 5809708 328232 Average: 9169302 12609458 3351720 20.47 121942 3465306 3481400 19.98 658926 6182842 164944 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:23 lo 0.64 0.64 0.37 0.37 0.00 0.00 0.00 0.00 10:20:23 ens3 25.55 19.83 284.62 3.39 0.00 0.00 0.00 0.00 10:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:19 lo 104.80 104.80 99.62 99.62 0.00 0.00 0.00 0.00 10:30:19 ens3 36.40 26.67 411.72 3.42 0.00 0.00 0.00 0.00 10:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 51.58 51.58 48.91 48.91 0.00 0.00 0.00 0.00 Average: ens3 30.85 23.18 346.77 3.40 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491142) 03/16/26 _x86_64_ (4 CPU) 10:07:00 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:23 all 51.95 0.00 0.87 0.06 0.09 47.03 10:20:23 0 53.81 0.00 0.74 0.05 0.09 45.30 10:20:23 1 47.32 0.00 0.96 0.04 0.09 51.59 10:20:23 2 45.32 0.00 0.92 0.09 0.08 53.59 10:20:23 3 61.36 0.00 0.84 0.05 0.09 37.65 10:30:19 all 53.16 0.00 0.69 0.02 0.08 46.05 10:30:19 0 41.87 0.00 0.71 0.02 0.08 57.33 10:30:19 1 55.27 0.00 0.72 0.02 0.08 43.91 10:30:19 2 60.61 0.00 0.61 0.01 0.08 38.69 10:30:19 3 54.93 0.00 0.74 0.02 0.08 44.24 Average: all 52.54 0.00 0.78 0.04 0.08 46.55 Average: 0 47.96 0.00 0.73 0.04 0.08 51.20 Average: 1 51.21 0.00 0.84 0.03 0.08 47.84 Average: 2 52.79 0.00 0.77 0.05 0.08 46.30 Average: 3 58.22 0.00 0.79 0.04 0.09 40.87